/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.sql.calcite.run;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.inject.Inject;
import org.apache.calcite.rel.RelRoot;
import org.apache.calcite.tools.ValidationException;
import org.apache.druid.guice.LazySingleton;
import org.apache.druid.server.QueryLifecycleFactory;
import org.apache.druid.sql.calcite.planner.PlannerContext;

@LazySingleton
public class NativeQueryMakerFactory implements QueryMakerFactory
{
  public static final String TYPE = "native";

  private final QueryLifecycleFactory queryLifecycleFactory;
  private final ObjectMapper jsonMapper;

  @Inject
  public NativeQueryMakerFactory(
      final QueryLifecycleFactory queryLifecycleFactory,
      final ObjectMapper jsonMapper
  )
  {
    this.queryLifecycleFactory = queryLifecycleFactory;
    this.jsonMapper = jsonMapper;
  }

  @Override
  public QueryMaker buildForSelect(final RelRoot relRoot, final PlannerContext plannerContext)
  {
    return new NativeQueryMaker(
        queryLifecycleFactory,
        plannerContext,
        jsonMapper,
        relRoot.fields,
        relRoot.validatedRowType
    );
  }

  @Override
  public QueryMaker buildForInsert(
      final String targetDataSource,
      final RelRoot relRoot,
      final PlannerContext plannerContext
  ) throws ValidationException
  {
    throw new ValidationException("Cannot execute INSERT queries.");
  }
}
